Radeon Vega 8 vs Radeon R9 390
Summary
Reasons to consider Radeon Vega 8 |
| 210 watts lower power draw. This might be a strong point if your current power supply is not enough to handle the Radeon R9 390 . |
| This is a much newer product, it might have better long term support. |
| Supports Direct3D 12 Async Compute |
| Supports FreeSync |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports TrueAudio |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
Reasons to consider Radeon R9 390 |
| Higher theoretical gaming performance, based on specifications. |
| Supports Direct3D 12 Async Compute |
| Supports FreeSync |
| Supports ReLive (allows game streaming/recording with minimum performance penalty) |
| Supports TrueAudio |
| Based on an outdated architecture (AMD GCN), there may be no performance optimizations for current games and applications |
HWBench recommends Radeon R9 390
Based on theoretical specifications.
Core Configuration
| Radeon Vega 8 | | Radeon R9 390 | |
|---|
| GPU Name | Raven Ridge () | vs | Grenada (Grenada PRO) |
| Fab Process | 14 nm | vs | 28 nm |
| Die Size | 210 mm² | vs | 438 mm² |
| Transistors | 4,940 million | vs | 6,200 million |
| Shaders | 512 | vs | 2560 |
| Compute Units | 8 | vs | 40 |
| Core clock | 300 MHz | vs | 1000 MHz |
| ROPs | 16 | vs | 64 |
| TMUs | 32 | vs | 160 |
Memory Configuration
| Radeon Vega 8 | | Radeon R9 390 | |
|---|
| Memory Type | System Shared | vs | GDDR5 |
| Bus Width | System Shared | vs | 512 bit |
| Memory Speed | System Shared | vs | 1500 MHz
6000 MHz effective |
| Memory Size | 0 Mb | vs | 8192 Mb |
Additional details
| Radeon Vega 8 | | Radeon R9 390 | |
|---|
| TDP | 65 watts | vs | 275 watts |
| Release Date | 13 Feb 2018 | vs | 18 Jun 2015 |
Radeon Vega 8
17.60 GP/s
Radeon R9 390
64.00 GP/s
GigaPixels - higher is better
Radeon Vega 8
35.20 GT/s
Radeon R9 390
160.00 GT/s
GigaTexels - higher is better
Radeon Vega 8
0.00 GB/s
Radeon R9 390
384.00 GB/s
GB/s - higher is better
Radeon Vega 8
1126.00 GFLOPs
Radeon R9 390
5120.00 GFLOPs
GFLOPs - higher is better